?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PELAPISAN+SILIKA-MAGNETIT+DALAM+SINTESIS+HIBRIDA+ALGA+Spirulina+sp.+SEBAGAI+ADSORBEN+METILEN+BIRU&rft.creator=Radho+Al+Kausar%2C+1317011058&rft.subject=+&rft.subject=QD+Chemistry&rft.description=ABSTRACT%0D%0A%0D%0AIn+this+research%2C+it+has+been+modified+Spirulina+sp.+biomass+algae+with+silica+as+a+matrix+coated+with+magnetite+particles+(Fe3O4).+The+material+was+used+to+absorb+the+methylene+blue+in+solution.+Material+characterization+was+performed+to+identify+functional+groups+with+infrared+spectrophotometer+(IR).+Identification+of+surface+and+elemental+constituents+used+SEM-EDX+while+analysis+of+crystalline+levels+was+carried+out+by+X-ray+diffraction+(XRD).+Adsorption+of+methylene+blue+in+Spirulina+sp.+algae+hybrids+-Silica+(HAS)+and+Spirulina+sp.+algae+hybrids+-Silica+magnetite+(HASM)+was+tested+with+UV-Vis+spectroscopy+at+a+maximum+wavelength+of+664.00+nm%2C+each+optimum+at+pH+6+with+a+concentration+of+100+ppm%2C+and+contact+time+of+60+min.+The+methylene+blue+adsorption+capacity+by+HAS+was+83.33+mg+g-1+while+the+methylene+blue+adsorption+capacity+by+HASM+was+90.90+mg+g-1.+This+result+clearly+shows+that+HASM+adsorption+capacity+is+significantly+greater+than+HAS.%0D%0A%0D%0AKata+kunci+%3A+Adsorption%2C+biomass%2C+Spirulina+sp%2C+silica%2C+magnetite.%0D%0A%0D%0A%0D%0AABSTRAK%0D%0A%0D%0APada+penelitian+ini%2C+telah+dilakukan+modifikasi+biomassa+alga+Spirulina+sp.+dengan+silika+sebagai+matriks+yang+dilapisi+dengan+partikel+magnetit+(Fe3O4).+Material+tersebut+digunakan+untuk+menyerap+metilen+biru+dalam+larutan.+Karakterisasi+material+dilakukan+untuk+mengidentifikasi+gugus+fungsi+dengan+spektrofotometer+inframerah+(IR).+Identifikasi+permukaan+dan+konstituen+unsur+menggunakan+SEM-EDX+sedangkan+analisis+tingkat+kekristalan+dengan+difraksi+sinar%E2%80%93X+(XRD).+Adsorpsi+metilen+biru+pada+hibrida+alga+Spirulina+sp.-silika+(HAS)+dan+hibrida+alga+Spirulina+sp.-silika+magnetit+(HASM)+di+uji+dengan+spektroskopi+UV-Vis+pada+panjang+gelombang+maksimum+664%2C00+nm%2C+masing-masing+optimum+pada+pH+6+dengan+konsentrasi+100+ppm+dan+waktu+kontak+selama+60+menit.+Kapasitas+adsorpsi+metilen+biru+oleh+HAS+sebesar+83%2C33+mg+g-1+sedangkan+kapasitas+adsorpsi+metilen+biru+oleh+HASM+sebesar+90%2C90+mg+g-1.+Hasil+ini+jelas+menunjukkan+bahwa+kapasitas+adsorpsi+HASM+secara+signifikan+lebih+besar+dari+pada+HAS.%0D%0A%0D%0AKata+kunci+%3A+Adsorpsi%2C+biomassa%2C+Spirulina+sp%2C+silika%2C+magnetit.%0D%0A&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2017-07-26&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F27711%2F1%2FABSTRACT%2520%2528ABSTRAK%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F27711%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F27711%2F4%2FSKRIPSI%2520FULL.PDF&rft.identifier=++Radho+Al+Kausar%2C+1317011058++(2017)+PELAPISAN+SILIKA-MAGNETIT+DALAM+SINTESIS+HIBRIDA+ALGA+Spirulina+sp.+SEBAGAI+ADSORBEN+METILEN+BIRU.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F27711%2F